CN108844623A - A kind of high-pressure compressor rotor blade vibration test macro - Google Patents
A kind of high-pressure compressor rotor blade vibration test macro Download PDFInfo
- Publication number
- CN108844623A CN108844623A CN201810838159.9A CN201810838159A CN108844623A CN 108844623 A CN108844623 A CN 108844623A CN 201810838159 A CN201810838159 A CN 201810838159A CN 108844623 A CN108844623 A CN 108844623A
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- rotor blade
- telemetering
- conduit
- connect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
Abstract
The present invention relates to compressor testing field, in particular to a kind of high-pressure compressor rotor blade vibration test macro.Including：Mechanism for testing and nitrogen cooling body, the mechanism for testing include foil gauge, test lead and telemetering equipment, are connect foil gauge with telemetering equipment by test lead, then telemetering equipment is connect with signal processor；The nitrogen cooling body includes nitrogen gas tank and pipeline assembly, and pipeline assembly is arranged in Middle casing inner cavity, is connect nitrogen gas tank with preceding sealing seat by pipeline assembly.The present invention can be detected effectively by nitrogen cooling body, control nitrogen flow；Multiple groups air entraining pipe and the orifice plate that shuts off, can increase or decrease nitrogen flow；Tube assembly is sealed using end face, cushion rubber, the conical surface and inserting mode, design is sealed to preceding sealing seat, to improve the cooling efficiency of nitrogen, stablizing and working long hours and provide guarantee for telemetering equipment.
Description
Technical field
The present invention relates to compressor testing field, in particular to a kind of high-pressure compressor rotor blade vibration test macro.
Background technique
To accurately measure high-pressure compressor rotor blade vibration environment, patch (foil gauge) need to be carried out to rotor blade and surveyed
It measures, after engine operation, preceding journal collar cavity temperature is increased rapidly, and when ring cavity temperature is more than 95 degrees Celsius, telemetering equipment will
It can not work normally.
Summary of the invention
The object of the present invention is to provide a kind of high-pressure compressor rotor blade vibration test macros, to solve the prior art
At least one existing problem.
The technical scheme is that：
A kind of high-pressure compressor rotor blade vibration test macro, including：
Mechanism for testing, the mechanism for testing include foil gauge, test lead and telemetering equipment, and the foil gauge is mounted on
On rotor blade, the telemetering equipment includes telemetering rotor and telemetering stator, journal collar chamber before the telemetering rotor is mounted on
Inner wall, sealing seat rear inner wall before the telemetering stator is mounted on, by the test lead by the foil gauge with it is described
Telemetering equipment connection, then the telemetering equipment is connect with signal processor；
Nitrogen cooling body, the nitrogen cooling body include nitrogen gas tank and pipeline assembly, the pipeline assembly setting
In Middle casing inner cavity, described pipeline assembly one end is connect with the nitrogen gas tank, and the other end is connect with the preceding sealing seat.
Optionally, the nitrogen cooling body further includes casing connector and pressing plate, and the pipeline assembly passes through the casing
Connector and the pressing plate are connect with the stud hole of the preceding sealing seat.
Optionally, the pipeline assembly includes air entraining pipe, tube assembly and three-way component, described air entraining pipe one end with it is described
Nitrogen gas tank connection, the other end are connect by the three-way component with the tube assembly.
Optionally, it is provided with that flow rate test connects mouth and pressure test connects mouth on the air entraining pipe, is also set on the air entraining pipe
It is equipped with the orifice plate that shuts off, the orifice plate that shuts off can adjust the flow of nitrogen.
Optionally, the tube assembly includes the first conduit, the second conduit, third conduit and the 4th conduit, and described first leads
Pipe and second conduit pass through sealing and connect mouth and the three-way component a port grafting, the third conduit and the described 4th
Conduit connects another port grafting of mouth Yu the three-way component by sealing.
Optionally, the preceding sealing seat include punching stud, inner wall leading portion, inner wall middle section, inner wall back segment, outer wall leading portion,
Outer wall middle section, outer wall back segment, the inner wall leading portion are seal structure, and the inner wall back segment is provided with installation seam allowance and bolt hole.
Invention effect：
High-pressure compressor rotor blade vibration test macro of the invention is realized by nitrogen cooling body to telemetering equipment
Cooling, cooling efficiency is high, stablizing and working long hours and provide guarantee for telemetering equipment.
Detailed description of the invention
Fig. 1 is the mechanism for testing schematic diagram of high-pressure compressor rotor blade vibration test macro of the invention；
Fig. 2 is the nitrogen cooling body schematic diagram of high-pressure compressor rotor blade vibration test macro of the invention；
Fig. 3 is the nitrogen cooling body explosive view of high-pressure compressor rotor blade vibration test macro of the invention；
Fig. 4 is the nitrogen cooling body installation diagram of high-pressure compressor rotor blade vibration test macro of the invention；
Fig. 5 is the pipeline assembly schematic diagram of high-pressure compressor rotor blade vibration test macro of the invention；
Fig. 6 is the preceding sealing seat schematic diagram of high-pressure compressor rotor blade vibration test macro of the invention；
Fig. 7 is the sealed structural schematic diagram of high-pressure compressor rotor blade vibration test macro of the invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
1 to Fig. 7 high-pressure compressor rotor blade vibration test macro of the invention is done further in detail with reference to the accompanying drawing
It describes in detail bright.
The present invention provides a kind of high-pressure compressor rotor blade vibration test macros, may include：Mechanism for testing and
Nitrogen cooling body.
Specifically, mechanism for testing includes foil gauge 1, test lead 2 and telemetering equipment 3, and foil gauge 1 is mounted on rotor leaf
On piece, telemetering equipment 3 include telemetering rotor and telemetering stator, 11 ring cavity inner wall of axle journal, telemetering before telemetering rotor is mounted on
Foil gauge 1, is connect, then telemetering is filled by 4 rear inner wall of sealing seat by test lead 2 with telemetering equipment 3 before stator is mounted on
3 are set to connect with signal processor 5；Nitrogen cooling body includes nitrogen gas tank 6 and pipeline assembly 7, and pipeline assembly 7 is arranged in intermediary
In 8 inner cavity of casing, 7 one end of pipeline assembly is connect with nitrogen gas tank 6, and the other end is connect with preceding sealing seat 4.
In the present embodiment, the effect of mechanism for testing is：By test lead 2, the vibration signal of rotor blade is transferred to
Signal processor 5.The route of test lead 2 is：The foil gauge 1- drum barrel fairlead of rotor blade-preceding axle journal 11- signal transmitting
The preceding sealing seat 4- fairlead-signal processor 5 of device-signal receiver-.
Advantageously, nitrogen cooling body 2 further includes casing connector 9 and pressing plate 10 in the present embodiment, pipeline assembly 7 is logical
Casing connector 9 and pressing plate 10 is crossed to connect with the stud hole of preceding sealing seat 4.
Advantageously, pipeline assembly 7 includes air entraining pipe 12, tube assembly and three-way component 13, air entraining pipe in the present embodiment
12 one end are connect with nitrogen gas tank 6, and the other end of air entraining pipe 12 is set as the pipe end conical surface, and a port of three-way component 13 is set as
Bulb junction is connect by the pipe end conical surface of air entraining pipe 12 with the bulb junction of three-way component 13, three-way component 13 it is other
Port is connect with tube assembly, and three-way component 13 is lifted in 8 inner cavity of Middle casing, and the effect of three-way component 13 is：It shunts, switching
And fixation.In the present embodiment, setting flow rate test connects mouth preferably on air entraining pipe 12 and pressure test connects mouth, can detecte nitrogen
Flow and pressure, be additionally provided with the orifice plate that shuts off on air entraining pipe 12, the aperture for the orifice plate that shuts off is exchanged from 5~Φ of Φ 18, is cut
The flow air entraining pipe that discharge orifice plate can adjust nitrogen is brief straight as far as possible, to reduce flow resistance.Further, in the present embodiment, preferably
Tube assembly includes the first conduit 14, the second conduit 15, third conduit 16 and the 4th conduit 17, the first conduit 14 and the second conduit 15
One end a port grafting of mouth Yu three-way component 13 is connect by sealing, after the other end is connect with casing connector 9, before being plugged on
In 4 stud hole of sealing seat；One end of third conduit 16 and the 4th conduit 17 connects an end of mouth and three-way component 13 by sealing
Mouth grafting, after the other end is connect with casing connector 9, before being plugged in 4 stud hole of sealing seat.
In the present embodiment, preceding sealing seat 4 include punching stud 41, inner wall leading portion 42, inner wall middle section 43, inner wall back segment 44,
Outer wall leading portion 45, outer wall middle section 46, outer wall back segment 47, section is using being welded to connect before, during and after inner and outer wall, preceding sealing seat 4
Channel is provided for test lead 2 and cooling nitrogen, and provides installation seam allowance for telemetering equipment 3.In the present embodiment, for enhancing sealing
Effect carries out repacking design to preceding sealing seat 4, and inner wall leading portion 45 is changed to seal structure by bleed pore structure, for fixed telemetering dress
It sets 3 and provides channel for cooling nitrogen, increase installation seam allowance and bolt hole in inner wall back segment 47, while expanding 11 ring cavity of preceding axle journal
Space, preceding sealing seat 4 to preceding 11 interface position of axle journal is also corresponding expands, preceding sealing seat 4 draws there are 4 stud holes as nitrogen
Stomata.
Since 8 intracavity space of Middle casing is limited, without available support, so sealing and fixing is setting for tube assembly
Count difficult point.By air current flow direction, as shown in fig. 7, successively using conical surface seal A, rubber sealing B, end face seal C and grafting
Seal D structure.Bulb junction and the pipe end conical surface fitting after, be fixed using sleeve nut, at the same solve air entraining pipe 12 with
Three-way component 13 seals and fixes problem.Casing interface position is sealed using grafting and gasket, and uses the fixed machine of pressing plate 10
Casket connector 9, tube assembly connect 13 positions with threeway using rubber sealing, use end face seal with 9 link position of casing connector.
In high-pressure compressor rotor blade vibration test macro of the invention, nitrogen cooling body has three effects, firstly,
Cooling nitrogen is provided for telemetering equipment 3, to ensure the operating temperature of telemetering equipment 3；Secondly, providing test lead for test macro
2 channels；Again, fixed position is provided for telemetering equipment 3.Cooling nitrogen passes through air entraining pipe 12, after flowing through tube assembly, envelope before flowing into
Tight seat 4,11 ring cavity of axle journal before finally entering.After nitrogen is cooling to telemetering equipment 3, compressor disc is entered by preceding 11 gas vent of axle journal
Chamber.
In conclusion high-pressure compressor rotor blade vibration test macro of the invention, is turned by design high-pressure compressor
The nitrogen cooling body of blades vibration-testing, can effectively detect, control nitrogen flow；Using multiple groups air entraining pipe and shut off
Orifice plate can increase or decrease nitrogen flow；Tube assembly is sealed using end face, cushion rubber, the conical surface and inserting mode, to preceding
Sealing seat is sealed design, improves the leakproofness of cooling body, to improve the cooling efficiency of nitrogen.The present invention is telemetering dress
Stablizing and working long hours for setting provides guarantee.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (6)
1. a kind of high-pressure compressor rotor blade vibration test macro, which is characterized in that including：
Mechanism for testing, the mechanism for testing include foil gauge (1), test lead (2) and telemetering equipment (3), the foil gauge
(1) it is mounted on rotor blade, the telemetering equipment (3) includes telemetering rotor and telemetering stator, the telemetering rotor installation
In preceding axle journal (11) ring cavity inner wall, the telemetering stator is mounted on preceding sealing seat (4) rear inner wall, passes through the test lead
(2) foil gauge (1) is connect with the telemetering equipment (3), then even by the telemetering equipment (3) and signal processor (5)
It connects；
Nitrogen cooling body, the nitrogen cooling body include that nitrogen gas tank (6) and pipeline assembly (7), the pipeline assembly are set
It sets in Middle casing (8) inner cavity, described pipeline assembly (7) one end is connect with the nitrogen gas tank (6), the other end and the preceding envelope
Tight seat (4) connection.
2. high-pressure compressor rotor blade vibration test macro according to claim 1, which is characterized in that the nitrogen is cold
But mechanism further includes casing connector (9) and pressing plate (10), and the pipeline assembly (7) passes through the casing connector (9) and the pressure
Plate (10) is connect with the stud hole of the preceding sealing seat (4).
3. high-pressure compressor rotor blade vibration test macro according to claim 2, which is characterized in that the pipeline group
Part (7) includes air entraining pipe (12), tube assembly and three-way component (13), described air entraining pipe (12) one end and the nitrogen gas tank (6)
Connection, the other end are connect by the three-way component (13) with the tube assembly.
4. high-pressure compressor rotor blade vibration test macro according to claim 3, which is characterized in that the air entraining pipe
(12) it is provided with that flow rate test connects mouth and pressure test connects mouth on, is additionally provided with the orifice plate that shuts off on the air entraining pipe (12), it is described
The orifice plate that shuts off can adjust the flow of nitrogen.
5. high-pressure compressor rotor blade vibration test macro according to claim 4, which is characterized in that the tube assembly
Including the first conduit (14), the second conduit (15), third conduit (16) and the 4th conduit (17), first conduit (14) and institute
It states the second conduit (15) and mouth and the three-way component (13) a port grafting, the third conduit (16) and institute is connect by sealing
State another port grafting that the 4th conduit (17) connects mouth Yu the three-way component (13) by sealing.
6. high-pressure compressor rotor blade vibration test macro according to claim 1, which is characterized in that obturaged before described
Seat (4) includes punching stud (41), inner wall leading portion (42), inner wall middle section (43), inner wall back segment (44), outer wall leading portion (45), outer
Wall middle section (46), outer wall back segment (47), the inner wall leading portion (42) are seal structure, and the inner wall back segment (44) is provided with installation
Seam allowance and bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838159.9A CN108844623B (en) | 2018-07-26 | 2018-07-26 | High-pressure compressor rotor blade vibration test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838159.9A CN108844623B (en) | 2018-07-26 | 2018-07-26 | High-pressure compressor rotor blade vibration test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108844623A true CN108844623A (en) | 2018-11-20 |
| CN108844623B CN108844623B (en) | 2020-10-09 |
Family
ID=64195056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810838159.9A Active CN108844623B (en) | 2018-07-26 | 2018-07-26 | High-pressure compressor rotor blade vibration test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108844623B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926819A (en) * | 2019-12-05 | 2020-03-27 | 中国航发四川燃气涡轮研究院 | Rotor inner cavity flow characteristic test structure |
| CN115680892A (en) * | 2022-08-29 | 2023-02-03 | 中国航发四川燃气涡轮研究院 | Air entraining structure for cooling remote measuring device of aircraft engine in high-temperature environment |
| CN115680892B (en) * | 2022-08-29 | 2024-05-17 | 中国航发四川燃气涡轮研究院 | Air entraining structure for cooling telemetry device of high-temperature environment of aeroengine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88201027U (en) * | 1988-01-25 | 1988-09-07 | 西安交通大学 | Remote measuring device for vibration characters of blade |
| WO2009112795A3 (en) * | 2008-03-12 | 2010-10-28 | Rolls-Royce Plc | A vibration test arrangement |
| CN206019842U (en) * | 2016-09-13 | 2017-03-15 | 中国航空动力机械研究所 | Blade vibration analog and the test system with which |
| CN206129500U (en) * | 2016-08-22 | 2017-04-26 | 内蒙古工业大学 | Synchronous monitoring system of many parameters of wind energy conversion system |
-
2018
- 2018-07-26 CN CN201810838159.9A patent/CN108844623B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88201027U (en) * | 1988-01-25 | 1988-09-07 | 西安交通大学 | Remote measuring device for vibration characters of blade |
| WO2009112795A3 (en) * | 2008-03-12 | 2010-10-28 | Rolls-Royce Plc | A vibration test arrangement |
| CN206129500U (en) * | 2016-08-22 | 2017-04-26 | 内蒙古工业大学 | Synchronous monitoring system of many parameters of wind energy conversion system |
| CN206019842U (en) * | 2016-09-13 | 2017-03-15 | 中国航空动力机械研究所 | Blade vibration analog and the test system with which |
Non-Patent Citations (2)
| Title |
|---|
| U.HAUPT 等: "用数据遥测的高负荷离心式压气机叶轮叶片的振动试验", 《柴油机》 * |
| 董妍: "某航空发动机涡轮叶片的振动特性试验及分析", 《中国优秀硕士学位论文全文数据库工程科技II辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926819A (en) * | 2019-12-05 | 2020-03-27 | 中国航发四川燃气涡轮研究院 | Rotor inner cavity flow characteristic test structure |
| CN115680892A (en) * | 2022-08-29 | 2023-02-03 | 中国航发四川燃气涡轮研究院 | Air entraining structure for cooling remote measuring device of aircraft engine in high-temperature environment |
| CN115680892B (en) * | 2022-08-29 | 2024-05-17 | 中国航发四川燃气涡轮研究院 | Air entraining structure for cooling telemetry device of high-temperature environment of aeroengine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108844623B (en) | 2020-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101517390B (en) | Sniffing leak detector | |
| WO2012079874A2 (en) | Fuel cell system, use of a fuel cell system and aircraft with a fuel cell system | |
| CN107991034A (en) | The detecting element and correction detection device and method of a kind of ventilating system seal | |
| CN108844623A (en) | A kind of high-pressure compressor rotor blade vibration test macro | |
| CN104390747A (en) | Connector welding seal detection method | |
| KR101727540B1 (en) | Refrigerant refining, recovery, leak testing, and injection integration | |
| CN108007652A (en) | A kind of airtight leak detector of the differential pressure type of multichannel and leak hunting method | |
| US20070240493A1 (en) | Sprayer-sniffer probe | |
| CN108072482A (en) | Pressure controller and its pressure sensor, the production method of pressure sensor | |
| CN211668720U (en) | Refrigerant monitoring system in refrigeration compressor unit | |
| US11781936B2 (en) | Airtightness evaluation device | |
| CN110174153A (en) | Automotive seat ventilation system for measuring quantity | |
| CN104669058B (en) | Vacuum detector with on-off function | |
| CN106092463A (en) | A kind of airtight inspection method of aircraft vacuum waste water systems | |
| WO2019102517A1 (en) | Branch pipe unit and air conditioner using same | |
| CN209495803U (en) | A kind of high vacuum system pressure control point calibrating installation | |
| CN204740110U (en) | Urea heating pipe detection device | |
| JP3633589B2 (en) | Leak inspection method and leak inspection apparatus | |
| CN104914221A (en) | Gas sensor sealing device with gas buffer function | |
| CN206930417U (en) | A kind of test device of respiratory siphon | |
| US9574809B2 (en) | Apparatus and method for recovering refrigerant through a double conduit connection | |
| CN207585859U (en) | A kind of airtight leak detector of multichannel differential pressure | |
| CN209683675U (en) | Relay valve | |
| CN104454492A (en) | Device and method for detecting inversion of compressor | |
| CN104062112A (en) | Multifunctional detecting platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |